Finding the Fourth Proportional to 216,067.84, 298,173.64 and 119,271.72
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Solution
The fourth proportional to 216,067.84, 298,173.64 and 119,271.72 is: 164,594.99
Step by Step Solution
- Step 1: Write the proportion equation
216,067.84 : 298,173.64 = 119,271.72 : x - Step 2: Convert to fraction form
216,067.84/298,173.64 = 119,271.72/x - Step 3: Cross multiply
216,067.84x = 298,173.64 × 119,271.72 - Step 4: Simplify right side
216,067.84x = 35,563,682,901.46 - Step 5: Solve for x
x = 35,563,682,901.46/216,067.84 - Step 6: Final answer
x = 164,594.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.